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Quadrant EPP Semitron® CMP LL5 Polyester (ASTM Product Data Sheet)

Category Polymer , Thermoplastic , Polyester, TP
Manufacturer Quadrant Engineering Plastics Products
Trade Name Semitron®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Quadrant EPP Semitron® CMP LL5 Polyester (ASTM Product Data Sheet).pdf
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Material Notes:
Enhanced semi-crystalline polyester product for extended service in CMP retaining rings. Superior performance, especially in oxide processes, and cost effective relative to standard ring materials. Recommended for use in reinforced designs. Long life material - up to 5x PPS Ideal for CMP applications up to 140°F (60°C) Best performance in oxide chemistries - up to 8x PPS
Physical Properties Metric English Comments
Specific Gravity 1.44 g/cc
1.44 g/cc
ASTM D792
Water Absorption 0.060 %
0.060 %
Immersion, 24hr; ASTM D570(2)
Water Absorption at Saturation 0.47 %
0.47 %
ASTM D 570(2)
Outgassing - Total Mass Loss 0.15 %
0.15 %
ASTM E595
Collected Volatile Condensable Material 0.00 %
0.00 %
Mechanical Properties Metric English Comments
Hardness, Rockwell M 94
94
ASTM D785
Tensile Strength 72.4 MPa
10500 psi
ASTM D638
Elongation at Break 5.0 %
5.0 %
ASTM D638
Tensile Modulus 3.45 GPa
500 ksi
ASTM D638
Flexural Strength 96.5 MPa
14000 psi
ASTM D790
Flexural Modulus 2.48 GPa
360 ksi
ASTM D790
Compressive Strength 105 MPa
15300 psi
10% Def.; ASTM D695
Compressive Modulus 2.76 GPa
400 ksi
ASTM D695
Shear Strength 58.6 MPa
8500 psi
ASTM D732
Izod Impact, Notched 0.21 J/cm
0.40 ft-lb/in
ASTM D256
Coefficient of Friction, Dynamic 0.19
0.19
dry vs. steel; QTM55007
K (wear) Factor 70.5 x 10-8 mm³/N-M
35.0 x 10-10 in³-min/ft-lb-hr
QTM 55010
Limiting Pressure Velocity 0.210 MPa-m/sec
6000 psi-ft/min
4:1 safety factor applied; QTM 55010
Thermal Properties Metric English Comments
CTE, linear 81.0 µm/m-°C

@Temperature -40.0 - 300 °C
45.0 µin/in-°F

@Temperature -40.0 - 572 °F
ASTM E831
Thermal Conductivity 0.274 W/m-K
1.90 BTU-in/hr-ft²-°F
Melting Point 255 °C
491 °F
ASTM D3418
Maximum Service Temperature, Air 98.9 °C
210 °F
Continuous
Deflection Temperature at 1.8 MPa (264 psi) 82.2 °C
180 °F
ASTM D648
Flammability, UL94 HB

@Thickness 3.17 mm
HB

@Thickness 0.125 in
Electrical Properties Metric English Comments
Surface Resistivity per Square >= 1.00e+13 ohm
>= 1.00e+13 ohm
ASTM D257
Dielectric Constant 3.6

@Frequency 1e+6 Hz
3.6

@Frequency 1e+6 Hz
EOS/ESD S11.11
Dissipation Factor 0.0020

@Frequency 1e+6 Hz
0.0020

@Frequency 1e+6 Hz
ASTM D150
Chemical Properties Metric English Comments
Ionic Impurities - Na (Sodium) 18 ppm
18 ppm
ICP/MS
Ionic Impurities - K (Potassium) 1.1 ppm
1.1 ppm
ICP/MS
Ionic Impurities - Fe (Iron) 1.6 ppm
1.6 ppm
ICP/MS
Chemical Resistance Properties Metric English Comments
Conductive / Static Dissipative No
No
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